Matrices are fun. Adding, subtracting and multiplying them make you more attentive to details and improve your math skills. If you don't think so and struggle with this kind of assignment every time, this online calculator is just what you need. You will easily get the right answer within a couple of seconds. There are times when you keep solving one single problem over and over again and don't understand where is your mistake. For this particular case, you can use a matrix calculator. You will see a step-by-step solution and cope with an assignment twice faster.